D-Net

import {Component, OnDestroy, OnInit, ViewChild} from '@angular/core';

import {ActivatedRoute, Router} from '@angular/router';

import {Title} from '@angular/platform-browser';

import {EnvProperties} from '../openaireLibrary/utils/properties/env-properties';

import {Category, Stakeholder, SubCategory, Topic} from "../utils/entities/stakeholder";

import {SideBarService} from "../library/sharedComponents/sidebar/sideBar.service";

import {StakeholderService} from "../services/stakeholder.service";

import {HelperFunctions} from "../openaireLibrary/utils/HelperFunctions.class";

import {AlertModal} from "../openaireLibrary/utils/modal/alert";

import {Subscriber} from "rxjs";

declare var UIkit;

@Component({

  selector: 'topic',

  templateUrl: './topic.component.html',

})

export class TopicComponent implements OnInit, OnDestroy {

  public subscriptions: any[] = [];

  public properties: EnvProperties;

  public loading: boolean = true;

  public stakeholder: Stakeholder;

  /**

   * Current topic

   **/

  public topicIndex: number = 0;

  public topic: Topic = null;

  /**

   * categoryIndex: Current category to be edited, selectedCategoryIndex: selected on menu(opened)

   */

  public categoryIndex: number = 0;

  public selectedCategoryIndex: number = 0;

  public copyCategory: Category = null;

  /**

   * Current Subcategory to be edited

   */

  public subCategoryIndex: number = 0;

  public copySubCategory: SubCategory = null;

  /**

   * Current drop element and index of topic, category or subcategory to be deleted.

   */

  public element: any;

  public index: number;

  /**

   * Check form validity

   */

  public valid = true;

  public toggle: boolean = false;

  @ViewChild('deleteTopicModal') deleteTopicModal: AlertModal;

  @ViewChild('deleteCategoryModal') deleteCategoryModal: AlertModal;

  @ViewChild('deleteSubcategoryModal') deleteSubcategoryModal: AlertModal;

  constructor(

    private route: ActivatedRoute,

    private router: Router,

    private title: Title,

    private sideBarService: SideBarService,

    private stakeholderService: StakeholderService) {

  }

  public ngOnInit() {

    this.route.data

      .subscribe((data: { envSpecific: EnvProperties }) => {

        this.properties = data.envSpecific;

        this.route.params.subscribe( params => {

          this.subscriptions.push(this.stakeholderService.getStakeholderAsObservable().subscribe(stakeholder => {

            if (stakeholder) {

              this.stakeholder = HelperFunctions.copy(stakeholder);

              this.topicIndex = this.stakeholder.topics.findIndex(topic => topic.alias === params['topic']);

              if(this.topicIndex === -1) {

                this.navigateToError();

              } else {

                this.title.setTitle(stakeholder.index_shortName + ' | ' + this.stakeholder.topics[this.topicIndex].name);

                this.toggle = true;

              }

            }

          }));

        });

      });

  }

  public ngOnDestroy() {

    this.subscriptions.forEach( value => {

      if(value instanceof Subscriber) {

        value.unsubscribe();

      }

    });

  }

  public hide(element) {

    this.valid = true;

    UIkit.drop(element).hide();

  }

  public show(element) {

    UIkit.drop(element).show();

  }

  public editTopicOpen(element) {

    if(element.className.indexOf('uk-open') !== -1) {

      this.hide(element);

    } else {

      this.topic = HelperFunctions.copy(this.stakeholder.topics[this.topicIndex]);

      this.show(element);

    }

  }

  public saveTopic(element) {

    if(this.topic.name && this.topic.name !== '') {

      if(!this.topic.alias) {

        this.topic.alias = this.topic.name.toLowerCase().trim();

      }

      let path = [this.stakeholder._id];

      let callback = (topic: Topic): void => {

          this.stakeholder.topics[this.topicIndex] = topic;

          this.stakeholderService.setStakeholder(this.stakeholder);

      };

      this.save('Topic has been successfully saved', element, path, this.topic, callback,true);

    } else {

      this.valid = false;

    }

  }

  public deleteTopicOpen(name: string, element) {

    this.deleteOpen(name,'topic', this.deleteTopicModal, element, this.topicIndex);

  }

  public deleteTopic() {

    let path: string[] = [

      this.stakeholder._id,

      this.stakeholder.topics[this.topicIndex]._id

    ];

    let callback = (): void => {

      this.stakeholder.topics.splice(this.topicIndex, 1);

      this.stakeholderService.setStakeholder(this.stakeholder);

    };

    this.delete('Topic has been successfully be deleted', path, callback, true);

  }

  public toggleCategory(index: number) {

   if(this.selectedCategoryIndex !== index) {

      this.selectedCategoryIndex = index;

      this.toggle = true;

    } else {

      this.toggle = !this.toggle;

    }

  }

  public editCategoryOpen(element, index:number = -1) {

    if(element.className.indexOf('uk-open') !== -1) {

      this.hide(element);

    } else {

      if(index === -1) {

        this.copyCategory = new Category(null, null, null, true, true);

      } else {

        this.copyCategory = HelperFunctions.copy(this.stakeholder.topics[this.topicIndex].categories[index]);

      }

      this.show(element);

    }

  }

  public saveCategory(element, index = -1) {

    if(this.copyCategory.name && this.copyCategory.name !== '') {

      if(!this.copyCategory.alias) {

        this.copyCategory.alias = this.copyCategory.name.toLowerCase();

      }

      let path = [this.stakeholder._id, this.stakeholder.topics[this.topicIndex]._id];

      let callback = (category: Category): void => {

        if(index === -1) {

          this.stakeholder.topics[this.topicIndex].categories.push(category);

        } else {

          this.stakeholder.topics[this.topicIndex].categories[index] = HelperFunctions.copy(category);

        }

        this.stakeholderService.setStakeholder(this.stakeholder);

      };

      if(index === -1) {

        this.save('Category has been successfully created', element, path, this.copyCategory, callback);

      } else {

        this.save('Category has been successfully saved', element, path, this.copyCategory, callback);

      }

    } else {

      this.valid = false;

    }

  }

  public deleteCategoryOpen(name: string, element, index) {

    this.deleteOpen(name,'category', this.deleteCategoryModal, element, index);

  }

  public deleteCategory() {

    let path: string[] = [

      this.stakeholder._id,

      this.stakeholder.topics[this.topicIndex]._id,

      this.stakeholder.topics[this.topicIndex].categories[this.index]._id

    ];

    let callback = (): void => {

      this.stakeholder.topics[this.topicIndex].categories.splice(this.index, 1);

      this.stakeholderService.setStakeholder(this.stakeholder);

    };

    this.delete('Category has been successfully be deleted', path, callback);

  }

  public editSubCategoryOpen(element, index:number = -1) {

    if(element.className.indexOf('uk-open') !== -1) {

      this.hide(element);

    } else {

      if(index === -1) {

        this.copySubCategory = new SubCategory(null, null, null, true, true);

      } else {

        this.copySubCategory = HelperFunctions.copy(this.stakeholder.topics[this.topicIndex].

          categories[this.categoryIndex].subCategories[index]);

      }

      this.show(element);

    }

  }

  public saveSubCategory(element, index = -1) {

    if(this.copySubCategory.name && this.copySubCategory.name !== '') {

      if(!this.copySubCategory.alias) {

        this.copySubCategory.alias = this.copySubCategory.name.toLowerCase();

      }

      let path: string[] = [

        this.stakeholder._id,

        this.stakeholder.topics[this.topicIndex]._id,

        this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex]._id,

      ];

      let callback = (subCategory: SubCategory): void => {

        if(index === -1) {

          this.stakeholder.topics[this.topicIndex].

            categories[this.selectedCategoryIndex].subCategories.push(subCategory);

        } else {

          this.stakeholder.topics[this.topicIndex].

            categories[this.selectedCategoryIndex].subCategories[index] = subCategory;

        }

        this.stakeholderService.setStakeholder(this.stakeholder);

      };

      if(index === -1) {

        this.save('Subcategory has been successfully created', element, path, this.copySubCategory, callback);

      } else {

        this.save('Subcategory has been successfully saved', element, path, this.copySubCategory, callback);

      }

      this.hide(element);

    } else {

      this.valid = false;

    }

  }

  public deleteSubcategoryOpen(name: string, element, index) {

    this.deleteOpen(name,'subcategory', this.deleteSubcategoryModal, element, index);

  }

  public deleteSubcategory() {

    let path: string[] = [

      this.stakeholder._id,

      this.stakeholder.topics[this.topicIndex]._id,

      this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex]._id,

      this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex].subCategories[this.index]._id

    ];

    let callback = (): void => {

      this.stakeholder.topics[this.topicIndex].

        categories[this.selectedCategoryIndex].subCategories.splice(this.index, 1);

      this.stakeholderService.setStakeholder(this.stakeholder);

    };

    this.delete('Subcategory has been successfully be deleted', path, callback);

  }

  private navigateToError() {

    this.router.navigate(['/error'], {queryParams: {'page': this.router.url}});

  }

  private deleteOpen(name: string, type: string, modal: AlertModal, element, index) {

    this.element = element;

    this.index = index;

    modal.alertTitle = 'Delete ' + name;

    modal.cancelButtonText = 'No';

    modal.okButtonText = 'Yes';

    modal.message = 'This ' + type + ' will permanently be deleted. Are you sure you want to proceed?';

    modal.open();

  }

  private save(message: string, element, path: string[], saveElement: any, callback: Function, redirect = false) {

    this.stakeholderService.saveElement(this.properties.monitorServiceAPIURL, saveElement, path).subscribe(saveElement => {

      callback(saveElement);

      UIkit.notification(message, {

        status: 'success',

        timeout: 3000,

        pos: 'top-left'

      });

      if(redirect) {

        this.router.navigate(['../' + saveElement.alias], {

          relativeTo: this.route

        });

      }

      this.hide(element);

    }, error => {

      UIkit.notification(error.error.message, {

        status: 'danger',

        timeout: 3000,

        pos: 'top-left'

      });

      this.hide(element);

    });

  }

  private delete(message: string, path: string[], callback: Function, redirect = false) {

    this.stakeholderService.deleteElement(this.properties.monitorServiceAPIURL, path).subscribe(() => {

      callback();

      UIkit.notification(message, {

        status: 'success',

        timeout: 3000,

        pos: 'top-left'

      });

      if(redirect) {

        this.back();

      }

      this.hide(this.element);

    }, error => {

      UIkit.notification(error.error.message, {

        status: 'danger',

        timeout: 3000,

        pos: 'top-left'

      });

      this.hide(this.element);

    });

  }

  back() {

    this.router.navigate(['../'], {

      relativeTo: this.route

    });

  }

  chooseSubcategory(categoryIndex: number, subcategoryIndex: number) {

    this.categoryIndex = categoryIndex;

    this.subCategoryIndex = subcategoryIndex;

  }

}